How to Use Semantic Search to Expand Your Candidate Pool

Sourcing databases is a great way to gain access to millions of candidates. But if you’re not searching the database efficiently and effectively, you’ll end up losing out on a lot of highly qualified talent.

Boolean searches are the original way recruiters went hunting for candidates. The technique refines candidate searches by combining or limiting terms. Resume databases or CRMs then take your search string parameters and scan all content for the exact word or phrase matches, and serve up relevant results that meet your specific search criteria.

While the technique will help you find qualified candidates, it requires an in-depth understanding of Boolean logic to provide any real recruiting advantage. It’s also more effective at narrowing down candidate pools instead of expanding them. If you’re looking to think outside of the box and consider a wider pool of candidate, you’ll need a different approach.

Semantic search offers that possibility. When sourcing candidates, a semantic search technologies apply related keywords — such as job titles and skills — to each search term used, broadening your relevant results and exposing you to all potentially relevant talent. More importantly, it bridges the gap between how job seekers describe themselves in their application materials and the keywords recruiters and sourcers use to search for the same candidate.

This chart shows how semantic search applies related terms to each keyword in order to expand the results to all potentially relevant candidates.

For example, if you’re looking to fill a sales representative position, you no longer have to limit or expand the search criteria on your own. You simply type the term into a semantic search engine, and it will automatically apply additional search criteria including sales assistant, sales agent and sales and service associate to your search to expand the pool of possible candidates from which you can choose.

The right technology boosts the effectiveness of semantic search at expanding your candidate pool. Some solutions allow you to personalize the results of your search by editing and adding terms to the list the search engine generates. Others employ “smart technology” that learns from aggregate search behavior over time and continuously improves results based on the recruiter’s search input.

While semantic search is a great way to refresh your recruiting approach and broaden your candidate pool, Boolean searches still have their value.

Check out our guide to using the two techniques in tandem to boost your recruiting strategy.

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